[fix] Changed require('sys') to require('util') for compatibility with node v0.8
[fix] Changed require('sys') to require('util') for compatibility with node v0.8

Addepar/testem,Addepar/testem,testem/testem,fotinakis/testem,paulot/testem,testem/testem,johanneswuerbach/testem,johanneswuerbach/testem,paulot/testem,fotinakis/testem,johanneswuerbach/testem,Addepar/testem,Addepar/testem,bradleylandis/testem,fotinakis/testem,bradleylandis/testem,testem/testem,bradleylandis/testem,paulot/testem